Operation Panel Board L - Canon PIXMA iP6220D Service Manual

2-2. Operation Panel Board L

J1 (Logic board)
No.
1, 5, 7, 12 GND
2 STOP_SW
3 PANEL_INTX
4 PANEL_RSTX
6 SD_CLK
8 to 11 SD_D0to D3
13 SD_CMD
15 ALARM_LED
16 POW_LED
17 POWER_SW
18 5V
J2 (LCD)
No.
1 LED_SHDNX
2 LED_PWR
3 VDD
4 Vss
4 LED_Vss
6 to 13 DB0 to 7
14 RDB
15 WDB
16 RS0
17 RSTB
18 CS1B
J3 (Operation board R)
No.
1 to 4 RA4 to 7
5 to 7 CA4 to 6
8 SW_STP
9 HPS
10 VSEN
11 GND
Signal name
Signal name
Signal name
Function
Ground
Stop/Reset button
Interrupt signal
Reset signal
Clock signal
Data signal
Command data switch
Alarm LED output
Power LED output
Power button
+5.5V
Function
LED illumination control
LED power supply
+3.3V
Ground
Ground
Data signal
Data read
Data write
Register select
Reset signal
Chip select
Function
Key scan row address
Key scan column address
Stop/Reset button signal
Scanner HPS
Sensor power supply
Ground
3-6